2023年4月11日 · Decongestants are medicines that relieve congestion by reducing swelling, inflammation and mucus formation within the nasal passages or the eye. They have no other effect on symptoms such as a runny nose or sneezing.

2023年3月25日 · Here's how decongestants work: Allergies make the lining of your nose swell. Decongestants shrink swollen blood vessels and tissues. That relieves the congestion.

2024年1月31日 · Decongestants offer temporary relief from discomfort, but a common ingredient was found to be ineffective. Here’s the lowdown and 8 products that do work. If your nose is stuffed, your head...

A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed effectiveness).

2012年10月1日 · Decongestants are medicines that are used to help reduce the symptoms of a blocked or stuffy nose. They may be helpful for congestion caused by various conditions. Most commonly, decongestants are used for a cold, sinusitis, hay fever, allergies and rhinitis.

2020年7月15日 · Decongestants are medications that provide temporary relief for a blocked or stuffy nose. People can take decongestants to alleviate nasal congestion from upper respiratory...

2024年12月15日 · Decongestants are medicines that provide short-term relief for a stuffy nose. Learn more about the types of decongestants and their side effects.

Nasal antihistamines and decongestants are products that contain either an antihistamine or a decongestant, in a device suitable for nasal use. Antihistamines block the action of histamine which is released by cells in response to allergens.

Nasal decongestants are a type of medicine that helps provide relief for stuffy, congested noses (nasal congestion). They work by narrowing and reducing the swelling in the blood vessels and tissues in your nose. Nasal decongestants come as pills, liquids, drops and nasal sprays.

2004年8月1日 · Decongestants are medicines that help relieve a congested (stuffy) nose. The congestion can be caused by a cold virus or by the flu, sinusitis, or allergies. Most decongestants come in pill or liquid form.